JP2003178744A - Connecting structure of positive electrode and negative electrode for battery assembly - Google Patents
Connecting structure of positive electrode and negative electrode for battery assemblyInfo
- Publication number
- JP2003178744A JP2003178744A JP2002277251A JP2002277251A JP2003178744A JP 2003178744 A JP2003178744 A JP 2003178744A JP 2002277251 A JP2002277251 A JP 2002277251A JP 2002277251 A JP2002277251 A JP 2002277251A JP 2003178744 A JP2003178744 A JP 2003178744A
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- positive electrode
- electrode side
- side connecting
- positive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は，バッテリ集合体に
おける正極と負極との接続構造に関する。TECHNICAL FIELD The present invention relates to a structure for connecting a positive electrode and a negative electrode in a battery assembly.
【０００２】[0002]
【従来の技術】従来，この種のバッテリ集合体として
は，直列に接続された複数のバッテリを有する複数の棒
状バッテリモジュールを，それらの軸線が１つの方向と
平行し，且つその方向と交差する仮想平面にて各軸中心
が縦方向および横方向に並ぶように配列したものが知ら
れている。このバッテリ集合体において，相隣る一方の
バッテリモジュールの正極と他方のバッテリモジュール
の負極とを接続する場合，それら正，負極にねじ孔を設
け，それらねじ孔にバスバーの両端部を貫通するボルト
をねじ込む，といった手段が採用されている（例えば，
特許文献１参照）。2. Description of the Related Art Conventionally, as a battery assembly of this type, a plurality of rod-shaped battery modules having a plurality of batteries connected in series have their axes parallel to and intersecting with one direction. It is known that the center of each axis is arranged in the vertical and horizontal directions on a virtual plane. In this battery assembly, when the positive electrode of one adjacent battery module and the negative electrode of the other battery module are connected to each other, screw holes are provided in the positive and negative electrodes, and bolts penetrating both ends of the bus bar in these screw holes. Screwing in is used (for example,
See Patent Document 1).
【０００３】[0003]
【特許文献１】特開２００１−６６４２号公報（段落番
号［０００６］，図７，８参照）[Patent Document 1] Japanese Patent Laid-Open No. 2001-6642 (paragraph number [0006], see FIGS. 7 and 8)
【０００４】[0004]
【発明が解決しようとする課題】しかしながら従来構造
においてはバスバーが外部に露出しているため，バッテ
リ集合体の組立時にバスバーに金属工具等の導電体が接
触すると短絡を生じるおそれがあった。However, in the conventional structure, since the bus bar is exposed to the outside, if a conductor such as a metal tool contacts the bus bar during assembly of the battery assembly, a short circuit may occur.
【０００５】[0005]
【課題を解決するための手段】本発明は，バスバーの露
出を防止し，またバスバーと正，負極との接続作業性が
良好であり，その上，正極と負極との接続を間違えるこ
とのない前記接続構造を提供することを目的とする。The present invention prevents the bus bar from being exposed, has good workability in connecting the bus bar to the positive and negative electrodes, and, in addition, does not mistake the connection between the positive electrode and the negative electrode. It is an object to provide the connection structure.
【０００６】前記目的を達成するため本発明によれば，
直列に接続された複数のバッテリを有する複数の棒状バ
ッテリモジュールを，それらの軸線が１つの方向と平行
し，且つその方向と交差する仮想平面にて各軸中心が縦
方向および横方向に並ぶように，配列してなるバッテリ
集合体における，相隣る一方の前記バッテリモジュール
の正極と他方の前記バッテリモジュールの負極との接続
構造であって，相隣る一方の前記バッテリモジュールの
正極側端部の外径が，他方の前記バッテリモジュールの
負極側端部の外径と異なっており，前記正極側端部を嵌
合させる複数の第１保持孔および前記負極側端部を嵌合
させる複数の第２保持孔を持つエンドプレートと，その
エンドプレートと対向する側の面に，前記正極と接触す
る正極側接続部および前記負極と接触する負極側接続部
を持つ複数のバスバーならびに前記正極側接続部および
前記負極側接続部にそれぞれ臨む複数の作業孔を有する
バスバープレートと，複数の前記作業孔を通じて前記正
極および正極側接続部間ならびに前記負極および負極側
接続部間をそれぞれ接続する複数の接続手段とを備えて
いる，バッテリ集合体における正極と負極との接続構造
が提供される。According to the present invention to achieve the above object,
A plurality of rod-shaped battery modules having a plurality of batteries connected in series are arranged such that their axes are parallel to one direction and the axes of the axes are aligned in the vertical and horizontal directions on a virtual plane intersecting the direction. And a connection structure between a positive electrode of one of the battery modules adjacent to each other and a negative electrode of the other battery module in an arrayed battery assembly, the positive electrode side end portion of the one adjacent battery module. Has an outer diameter different from the outer diameter of the negative electrode side end portion of the other battery module, and has a plurality of first holding holes for fitting the positive electrode side end portion and a plurality of negative electrode side end portions for fitting. A plurality of buses having an end plate having a second holding hole, and a positive electrode side connecting portion in contact with the positive electrode and a negative electrode side connecting portion in contact with the negative electrode on a surface facing the end plate. -, A bus bar plate having a plurality of working holes respectively facing the positive electrode side connecting portion and the negative electrode side connecting portion, and between the positive electrode and the positive electrode side connecting portion and between the negative electrode and the negative electrode side connecting portion through the plurality of working holes. A connection structure for a positive electrode and a negative electrode in a battery assembly is provided, which includes a plurality of connection means for connecting each.
【０００７】前記のように，相隣る一方のバッテリモジ
ュールの正極側端部の外径と，他方のバッテリモジュー
ルの負極側端部の外径とを異ならせると共にそれらが嵌
合する専用の第１，第２保持孔をエンドプレートに設け
ると，正極および負極の接続を間違えることがない。ま
た正，負極とバスバーとの接続部がエンドプレートおよ
びバスバープレート間に在って露出することがないの
で，金属工具等の接触による短絡のおそれを回避するこ
とができる。さらに相隣る正極側，負極側端部をエンド
プレートの第１，第２保持孔にそれぞれ嵌合するので，
それら端部の固定により正，負極とバスバーとの接続作
業性が良好となる。As described above, the outer diameter of the positive electrode side end portion of one adjacent battery module and the outer diameter of the negative electrode side end portion of the other battery module are made different from each other, and they are fitted together. By providing the first and second holding holes in the end plate, the positive electrode and the negative electrode will not be mistakenly connected. Further, since the connection portion between the positive and negative electrodes and the bus bar is present between the end plate and the bus bar plate and is not exposed, the risk of short circuit due to contact with a metal tool or the like can be avoided. Furthermore, since the adjacent positive electrode side and negative electrode side end portions are respectively fitted in the first and second holding holes of the end plate,
By fixing these ends, the workability of connecting the positive and negative electrodes to the bus bar is improved.
【０００８】[0008]
【発明の実施の形態】図１，２において，バッテリ式電
源装置１は合成樹脂製ボックス２を備え，そのボックス
２は，一端面に冷却風導入口３を有し，また他端部内に
吸引ファン４を有する。そのボックス２内において，冷
却風導入口３と吸引ファン４との間，つまりボックス２
内中間部にバッテリ集合体５が収容されている。1 and 2, a battery type power supply device 1 is provided with a synthetic resin box 2, which has a cooling air inlet 3 on one end face and suction on the other end. It has a fan 4. In the box 2, between the cooling air inlet 3 and the suction fan 4, that is, the box 2
The battery assembly 5 is housed in the inner middle portion.
【０００９】そのバッテリ集合体５は，直列に接続され
た複数のバッテリ６を有する複数で，且つ二種類の棒状
第１，第２バッテリモジュール７，８よりなる。それら
バッテリモジュール７，８は，それらの軸線が１つの方
向Ａと平行し，且つ前記方向Ａと交差する仮想平面Ｂに
て各軸中心が縦方向および横方向に並ぶように配列され
ている。縦方向において，各第１，第２バッテリモジュ
ール７，８間にはそれぞれ２つの合成樹脂製バッテリグ
ロメット９が挟み込まれており，また相隣る上側の第２
バッテリモジュール８および下側の第１バッテリモジュ
ール７間は合成樹脂製クリップ１０によって連結されて
いる。バッテリ集合体５は，鋼製基板ＢＰおよびそれに
立設された２つの鋼製フレーム部材１１間に，各バッテ
リグロメット９と対向する合成樹脂製上，下部グロメッ
ト１２，１３を介して取付けられている。The battery assembly 5 comprises a plurality of rod-shaped first and second battery modules 7 and 8 each having a plurality of batteries 6 connected in series. The battery modules 7 and 8 are arranged such that their axes are parallel to one direction A, and the center of each axis is aligned in the vertical and horizontal directions on a virtual plane B intersecting with the direction A. In the vertical direction, two synthetic resin battery grommets 9 are sandwiched between the first and second battery modules 7 and 8, respectively, and the adjacent second upper
The battery module 8 and the lower first battery module 7 are connected by a synthetic resin clip 10. The battery assembly 5 is mounted between the steel substrate BP and the two steel frame members 11 erected on the steel substrate BP via synthetic resin upper and lower grommets 12 and 13 facing the battery grommets 9. .
【００１０】図３にも示すように，第１バッテリモジュ
ール７の一端に存する負極１４はその縦方向上側に存す
る第２バッテリモジュール８の一端に存する正極１５と
接続プレート１６を介して接続される。一方，図４にも
示すように，第２バッテリモジュール８の他端に存する
負極１７は，その横方向に存する第１バッテリモジュー
ル７の正極１８とバスバー１９を介して接続される。As shown in FIG. 3, the negative electrode 14 at one end of the first battery module 7 is connected to the positive electrode 15 at one end of the second battery module 8 at the upper side in the vertical direction via the connection plate 16. . On the other hand, as also shown in FIG. 4, the negative electrode 17 existing at the other end of the second battery module 8 is connected to the positive electrode 18 of the first battery module 7 existing in the lateral direction thereof via the bus bar 19.
【００１１】１つのバッテリ（セコンダリ・バッテリ）
６は，負極側の鋼製有底筒体２１と，その開口部に絶縁
シールリング２２を介して取付けられた正極側の鋼製蓋
板２３とを有する。実施例ではバッテリ６の内部構造は
省略されている。蓋板２３に鋼製接続リング２４が溶接
されている。接続リング２４は，大径短筒部２５と，そ
の一端の周縁部分に連設された内向きの環状大径突出部
２６と，その環状大径突出部２６の内周縁部分に連設さ
れた小径短筒部２７と，その小径短筒部２７の周縁部分
に連設された内向きの環状小径突出部２８とを有する。
環状小径突出部２８は，蓋板２３の円形突出部２９を開
口部分に挿通させてその円形突出部２３周りに溶接され
る。合成樹脂製絶縁リング３０において，その短筒部３
１が接続リング２４の大径短筒部２５外周面のほぼ半部
に嵌着され，また内向きの環状突出部３２内面が接続リ
ング２４の環状大径突出部２６外面に当接され，さらに
環状突出部３２の開口部分は接続リング２４の小径短筒
部２７外周面に密着され，さらにまた環状突出部３２外
面の環状溝３３がバッテリ６の，絶縁シールリング２２
を保持するビード部３４に嵌着される。One battery (secondary battery)
Reference numeral 6 has a steel bottomed cylindrical body 21 on the negative electrode side, and a steel lid plate 23 on the positive electrode side attached to the opening thereof via an insulating seal ring 22. In the embodiment, the internal structure of the battery 6 is omitted. A steel connecting ring 24 is welded to the cover plate 23. The connection ring 24 is provided with a large-diameter short cylindrical portion 25, an inward annular large-diameter protruding portion 26 continuously provided on the peripheral portion of one end thereof, and an inner peripheral edge portion of the annular large-diameter protruding portion 26. It has a small-diameter short tubular portion 27 and an inward annular small-diameter protruding portion 28 that is continuously provided on the peripheral portion of the small-diameter short tubular portion 27.
The annular small-diameter protrusion 28 is welded around the circular protrusion 23 by inserting the circular protrusion 29 of the lid plate 23 into the opening. In the insulating ring 30 made of synthetic resin, the short tubular portion 3
1 is fitted to almost half of the outer peripheral surface of the large-diameter short tubular portion 25 of the connection ring 24, and the inner surface of the inward annular projection 32 is brought into contact with the outer surface of the annular large-diameter projection 26 of the connection ring 24. The opening portion of the annular protruding portion 32 is in close contact with the outer peripheral surface of the small-diameter short cylindrical portion 27 of the connecting ring 24, and the annular groove 33 on the outer surface of the annular protruding portion 32 has the insulating seal ring 22 of the battery 6.
Is attached to the bead portion 34 for holding.
【００１２】図５，６にも示すように，バッテリ６，接
続リング２４および絶縁リング３０は１つのユニットＵ
を構成する。１つのアッセンブリＡＳを構成すべく，ユ
ニットＵ相互の接続に当っては，一方の接続リング２４
の大径短筒部２５に他方の有底筒体２１の底部側を嵌着
して，その大径短筒部２５および有底筒体２１の周壁間
を溶接する，これを必要回数繰返し，最終的に，一端に
存するユニットＵの有底筒体２１底部に接続リング２４
の大径短筒部２５を嵌着して溶接する。このようなアッ
センブリＡＳは第１，第２バッテリモジュール７，８に
おいて共通に用いられる。As shown in FIGS. 5 and 6, the battery 6, the connecting ring 24 and the insulating ring 30 are one unit U.
Make up. To connect the units U to each other to form one assembly AS, one connecting ring 24
The bottom side of the other bottomed tubular body 21 is fitted to the large diameter short tubular portion 25 of the other, and the large diameter short tubular portion 25 and the peripheral wall of the bottomed tubular body 21 are welded. Finally, the connection ring 24 is attached to the bottom of the bottomed cylindrical body 21 of the unit U that is present at one end.
The large-diameter short tube portion 25 is fitted and welded. Such an assembly AS is commonly used in the first and second battery modules 7 and 8.
【００１３】図３，４に明示するように，第１バッテリ
モジュール７においては，一端に存する接続リング２４
が負極１４として機能し，その環状小径突出部２８がそ
の開口部分に接続プレート１６における導電部３５の円
形小径突出部分３６を挿通させてその円形小径突出部分
３６周りに溶接される。また他端に存する接続リング２
４の大径短筒部２５に，断面凸形をなす鋼製正極１８の
大径部３７が嵌着され，その大径部３７と大径短筒部２
５とが溶接される。As clearly shown in FIGS. 3 and 4, in the first battery module 7, the connection ring 24 present at one end
Serves as the negative electrode 14, and the annular small-diameter protruding portion 28 is welded around the circular small-diameter protruding portion 36 by inserting the circular small-diameter protruding portion 36 of the conductive portion 35 of the connection plate 16 into the opening portion. In addition, the connection ring 2 existing at the other end
4, the large diameter portion 37 of the steel positive electrode 18 having a convex cross section is fitted into the large diameter short cylindrical portion 25, and the large diameter portion 37 and the large diameter short cylindrical portion 2
And 5 are welded.
【００１４】第２バッテリモジュール８においては，絶
縁リング３０がある側の接続リング２４が正極１５とし
て機能し，その大径短筒部２５が接続プレート１６にお
ける導電部３５の円形大径突出部分３８に嵌着され，そ
の大径短筒部２５と円形大径突出部分３８とが溶接され
る。また他端に存する接続リング２４の小径短筒部２７
に，断面ほぼ凸形をなす鋼製負極１７の大径部３９端面
に存する凹部４０が嵌合され，その環状小径突出部２８
と負極１７とが溶接される。接続プレート１６におい
て，その導電部３５外面側は絶縁性，実施例では合成樹
脂製カバー４１により覆われている。負極１７における
大径部３９の外径は接続リング２４における大径短筒部
２５の外径よりも小である。In the second battery module 8, the connection ring 24 on the side having the insulating ring 30 functions as the positive electrode 15, and the large-diameter short tubular portion 25 thereof has the circular large-diameter protruding portion 38 of the conductive portion 35 of the connection plate 16. And the large-diameter short tubular portion 25 and the circular large-diameter protruding portion 38 are welded. Also, the small-diameter short tubular portion 27 of the connection ring 24 existing at the other end
A recess 40 existing on the end face of the large diameter portion 39 of the steel negative electrode 17 having a substantially convex cross section is fitted to the annular small diameter protrusion 28.
And the negative electrode 17 are welded. In the connection plate 16, the outer surface side of the conductive portion 35 is covered with an insulating, synthetic resin cover 41 in the embodiment. The outer diameter of the large diameter portion 39 of the negative electrode 17 is smaller than the outer diameter of the large diameter short tubular portion 25 of the connection ring 24.
【００１５】図７にも示すように，バスバー１９側にお
いて，第１バッテリモジュール７の正極側端部の外径
と，第２バッテリモジュール８の負極側端部の外径とは
異なっている。実施例では第１バッテリモジュール７の
正極側端部は絶縁リング３０であって，その端部の外径
Ｄ1 は短筒部３１の外径であり，一方，第２バッテリモ
ジュール８の負極側端部は接続リング２４であって，そ
の端部の外径Ｄ2 は大径短筒部２５の外径である。した
がって，両外径Ｄ1 ，Ｄ2 にはＤ1 ＞Ｄ2 の関係があ
る。As shown in FIG. 7, on the bus bar 19 side, the outer diameter of the positive electrode side end portion of the first battery module 7 and the negative electrode side end portion of the second battery module 8 are different. In the embodiment, the positive electrode side end portion of the first battery module 7 is the insulating ring 30, and the outer diameter D 1 of the end portion is the outer diameter of the short tube portion 31, while the second battery module 8 negative electrode side. The end portion is the connection ring 24, and the outer diameter D 2 of the end portion is the outer diameter of the large diameter short tubular portion 25. Therefore, both outer diameters D 1 and D 2 have a relationship of D 1 > D 2 .
【００１６】エンドプレート４２は，一方の外径Ｄ1 に
対応した内径を有する複数の第１保持孔４３と，それに
隣接して他方の外径Ｄ2 に対応した内径を有する複数の
第２保持孔４４を持ち，各第１保持孔４３に正極１８側
の各絶縁リング３０が嵌合され，また各第２保持孔４４
に負極１７側の各接続リング２４が嵌合される。The end plate 42 has a plurality of first holding holes 43 having an inner diameter corresponding to one outer diameter D 1 and a plurality of second holding holes adjacent to the first holding holes 43 having an inner diameter corresponding to the other outer diameter D 2. Each insulating ring 30 on the side of the positive electrode 18 is fitted into each first holding hole 43, and each second holding hole 44 has a hole 44.
Each connection ring 24 on the side of the negative electrode 17 is fitted in.
【００１７】エンドプレート４２に対向し，且つ近接す
るバスバープレート４５に複数のバスバー１９が取付け
られ，各バスバー１９はエンドプレート４２と対向する
側の面に，正極１８と接触する正極側接続部４６および
負極１７と接触する負極側接続部４７を持つ。またバス
バープレート４５は正極側接続部４６および負極側接続
部４７にそれぞれ臨む複数の作業孔４８，４９を有す
る。A plurality of busbars 19 are attached to a busbar plate 45 facing and adjacent to the end plate 42, and each busbar 19 has a positive electrode side connecting portion 46 in contact with the positive electrode 18 on the surface facing the end plate 42. And a negative electrode side connection portion 47 that contacts the negative electrode 17. Further, the bus bar plate 45 has a plurality of working holes 48 and 49 facing the positive electrode side connecting portion 46 and the negative electrode side connecting portion 47, respectively.
【００１８】各正極１８および各負極１７はそれらの小
径部５０，５１の端面に開口するねじ孔５２，５３を有
し，また各バスバー１９の正極側接続部４６および負極
側接続部４７は各ねじ孔５２，５３に対応するボルト用
挿通孔５４，５５を有する。各２つの作業孔４８，４９
および各挿通孔５４，５５を通じて絶縁性，実施例では
ガラス繊維強化合成樹脂製ボルト５６が，正極１８およ
び負極１７のねじ孔５２，５３にねじ込まれ，これによ
り正極１８および正極側接続部４６ならびに負極１７お
よび負極側接続部４７がそれぞれ密着して電気的に接続
される。各ボルト５６の頭部は各作業孔４８，４９内に
在る。これら２つの絶縁性ボルト５６と，正極側接続部
４６および負極側接続部４７に形成されて絶縁性ボルト
５６を通す２つの挿通孔５４，５５と，正極１８および
負極１７に形成されて両絶縁性ボルト５６をねじ込まれ
る２つの複数のねじ孔５２，５３とが１つの接続手段Ｃ
を構成し，したがって，この接続構造には複数の接続手
段Ｃが備えられている。Each positive electrode 18 and each negative electrode 17 has screw holes 52 and 53 opened on the end faces of their small diameter portions 50 and 51, and the positive electrode side connecting portion 46 and the negative electrode side connecting portion 47 of each bus bar 19 are respectively formed. Bolt insertion holes 54 and 55 corresponding to the screw holes 52 and 53 are provided. Each two working holes 48, 49
And, through each of the insertion holes 54 and 55, an insulating property, in the embodiment, a glass fiber reinforced synthetic resin bolt 56 is screwed into the screw holes 52 and 53 of the positive electrode 18 and the negative electrode 17, whereby the positive electrode 18 and the positive electrode side connecting portion 46 and The negative electrode 17 and the negative electrode side connection portion 47 are in close contact with each other and electrically connected. The head of each bolt 56 is in each of the working holes 48, 49. These two insulating bolts 56, two insertion holes 54 and 55 formed in the positive electrode side connecting portion 46 and the negative electrode side connecting portion 47 and through which the insulating bolt 56 is passed, and the two insulating holes formed in the positive electrode 18 and the negative electrode 17 The plurality of screw holes 52 and 53 into which the sex bolt 56 is screwed into one connecting means C.
And thus the connecting structure is provided with a plurality of connecting means C.
【００１９】前記のように，相隣る一方，つまり第１バ
ッテリモジュール８の正極側端部，したがって絶縁リン
グ３０の外径Ｄ1 と，他方，つまり第２バッテリモジュ
ール７の負極側端部，したがって接続リング２４の外径
Ｄ2 とを異ならせると共にそれらが嵌合する専用の第
１，第２保持孔４３，４４をエンドプレート４２に設け
ると，正極１８および負極１７の接続を間違えることが
ない。また正，負極１８，１７とバスバー１９との接続
部がエンドプレート４２およびバスバープレート４５間
に在って露出することがなく，その上，ボルト５６とし
て絶縁性のものを用いると，金属工具等と，バスバー１
９およびボルト５６との接触による短絡のおそれを回避
することができる。さらに相隣る正極側絶縁リング３０
および負極側接続リング２４をエンドプレート４２の第
１，第２保持孔４３，４４にそれぞれ嵌合するので，そ
れら第１，第２バッテリモジュール７，８端部の固定に
よって正，負極１８，１７とバスバー１９との接続作業
性が良好となる。As described above, the adjacent one, that is, the positive electrode side end portion of the first battery module 8, and thus the outer diameter D 1 of the insulating ring 30, and the other, that is, the negative electrode side end portion of the second battery module 7, Therefore, if the outer diameter D 2 of the connection ring 24 is made different and the dedicated first and second holding holes 43, 44 into which they are fitted are provided in the end plate 42, the connection between the positive electrode 18 and the negative electrode 17 may be mistaken. Absent. Further, the connecting portions between the positive and negative electrodes 18, 17 and the bus bar 19 are not exposed because they are present between the end plate 42 and the bus bar plate 45. Moreover, if an insulating one is used as the bolt 56, a metal tool or the like is used. And bus bar 1
It is possible to avoid the risk of a short circuit due to contact with 9 and the bolt 56. Further adjacent positive electrode side insulating ring 30
Since the negative side connecting ring 24 and the negative side connecting ring 24 are fitted into the first and second holding holes 43 and 44 of the end plate 42, respectively, the positive and negative electrodes 18 and 17 are fixed by fixing the ends of the first and second battery modules 7 and 8. The connection workability between the bus bar 19 and the bus bar 19 is improved.
【００２０】図８，９にも示すように，バスバー１９は
鋼，銅，銅合金およびアルミニウム合金から選択される
一種，実施例では鋼より構成され，断面Ｕ字形の取付部
５７を有し，その取付部５７の相対向する一方，つまり
第１板状部分５８から正極側接続部４６および負極側接
続部４７が斜めに延出している。各接続部４６，４７は
第１板状部分５８に連設された繋ぎ部分５９，６０と，
それら繋ぎ部分５９，６０に連設されてボルト用挿通孔
５４，５５を有する環状接触部分６１，６２とよりな
る。As shown in FIGS. 8 and 9, the bus bar 19 is made of steel, a kind selected from copper, copper alloys and aluminum alloys, in the embodiment, steel, and has a mounting portion 57 having a U-shaped cross section. The positive electrode side connecting portion 46 and the negative electrode side connecting portion 47 extend obliquely from one of the mounting portions 57 facing each other, that is, from the first plate-shaped portion 58. Each of the connecting portions 46 and 47 includes connecting portions 59 and 60 that are continuously provided to the first plate-shaped portion 58,
It is composed of annular contact portions 61 and 62 which are connected to the connecting portions 59 and 60 and have bolt insertion holes 54 and 55.
【００２１】バスバープレート４５のエンドプレート４
２との対向面において，相隣る両作業孔４８，４９はバ
スバー１９の両環状接触部分６１，６２の外径よりも大
であり，また両作業孔４８，４９間は，両繋ぎ部分５
９，６０に対応し，且つそれら５９，６０よりも幅広の
２つの溝部６３，６４と，取付部５７に対応し，それよ
りも幅広の凹部６５とにより繋がれている。End plate 4 of bus bar plate 45
On the surface opposite to 2, the adjacent working holes 48, 49 are larger than the outer diameters of the annular contact portions 61, 62 of the bus bar 19, and the working holes 48, 49 have a connecting portion 5 between them.
Two groove portions 63, 64 corresponding to 9, 60 and wider than 59, 60 and a recess portion 65 corresponding to the mounting portion 57 and wider than that are connected.
【００２２】取付部５７の他方，つまり第２板状部分６
６は，凹部６５の底壁６７に２つのリベット６８によっ
て固着され，第１板状部分５８，各繋ぎ部分５９，６０
および各環状接触部分６１，６２の外面は，凹部６５，
各溝６３，６４，各作業孔４８，４９の開口部にそれぞ
れ位置する。The other side of the mounting portion 57, that is, the second plate-shaped portion 6
6 is fixed to the bottom wall 67 of the recess 65 by two rivets 68, and the first plate-shaped portion 58 and the connecting portions 59 and 60 are provided.
And the outer surface of each annular contact portion 61, 62 has a recess 65,
The grooves 63, 64 are located at the openings of the working holes 48, 49, respectively.
【００２３】これにより各バスバー１９の正，負極側接
続部４７，４８は撓み性を有し，したがって各正極側接
続部４６は各正極１８に対し，また各負極側接続部４７
は各負極１７に対してそれぞれ進退可能であるから正，
負極１８，１７の位置に多少のばらつきがあってもそれ
ら１８，１７と正，負極側接続部４６，４７とを確実に
接続することができる。図１，３等において，６９はバ
スバープレート４５を覆うカバープレートである。As a result, the positive and negative electrode side connecting portions 47 and 48 of each bus bar 19 are flexible, and therefore each positive electrode side connecting portion 46 is connected to each positive electrode 18 and each negative electrode side connecting portion 47.
Is positive and
Even if there is some variation in the positions of the negative electrodes 18 and 17, it is possible to reliably connect the positive electrodes 18 and 17 to the positive and negative electrode side connection portions 46 and 47. In FIGS. 1 and 3, etc., 69 is a cover plate that covers the bus bar plate 45.
【００２４】[0024]
【発明の効果】請求項１記載の発明によれば，前記のよ
うに構成することによって，バスバーの露出を防止して
短絡の発生を回避し，またバスバーと正，負極との接続
作業性が良好であり，その上，正極と負極との接続を間
違えることのない，バッテリ集合体における正極と負極
との接続構造を提供することができる。According to the first aspect of the present invention, the above-mentioned structure prevents the bus bar from being exposed to prevent the occurrence of a short circuit, and the workability of connecting the bus bar to the positive and negative electrodes is improved. It is possible to provide a connection structure for a positive electrode and a negative electrode in a battery assembly that is favorable and does not make a mistake in connecting the positive electrode and the negative electrode.
【００２５】請求項２記載の発明によれば，正，負極の
位置に多少のばらつきがあってもそれらと正，負極側接
続部とを確実に接続することが可能な前記接続構造を提
供することができる。According to the second aspect of the present invention, there is provided the above-mentioned connection structure capable of reliably connecting the positive and negative electrode positions to the positive and negative electrode side connecting portions even if there are some variations. be able to.
【００２６】請求項３記載の発明によれば，簡便な接続
手段を備えた前記接続構造を提供することができる。According to the third aspect of the invention, it is possible to provide the connection structure provided with a simple connection means.
【００２７】請求項４記載の発明によれば，両バッテリ
モジュールの正，負極間をバスバーを介して電気的に確
実に接続することが可能な前記接続構造を提供すること
ができる。According to the fourth aspect of the invention, it is possible to provide the connection structure capable of electrically connecting the positive and negative electrodes of both battery modules electrically via the bus bar.
【図１】バッテリ式電源装置の斜視図である。FIG. 1 is a perspective view of a battery-type power supply device.
【図２】第１，第２バッテリモジュールの斜視図であ
る。FIG. 2 is a perspective view of first and second battery modules.
【図３】図２の３−３線断面図である。FIG. 3 is a sectional view taken along line 3-3 of FIG.
【図４】図３の４−４線断面図である。FIG. 4 is a sectional view taken along line 4-4 of FIG.
【図５】第１バッテリモジュールの分解斜視図である。FIG. 5 is an exploded perspective view of a first battery module.
【図６】第２バッテリモジュールの分解斜視図である。FIG. 6 is an exploded perspective view of a second battery module.
【図７】正極と負極との接続構造の分解図である。FIG. 7 is an exploded view of a connection structure of a positive electrode and a negative electrode.
【図８】図７の８−８矢視図である。8 is a view taken along the line 8-8 of FIG.
【図９】図８の９−９線断面図である。9 is a sectional view taken along line 9-9 of FIG.
５………………バッテリ集合体 ６………………バッテリ ７………………第１バッテリモジュール ８………………第２バッテリモジュール １９……………バスバー ２４……………接続リング（負極側端部） ３０……………絶縁リング（正極側端部） ４２……………エンドプレート ４３……………第１保持孔 ４４……………第２保持孔 ４５……………バスバープレート ４６……………正極側接続部 ４７……………負極側接続部 ４８，４９……作業孔 ５２，５３……ねじ孔 ５４，５５……ボルト用挿通孔 ５６……………ボルト Ａ………………方向 Ｂ………………仮想平面 Ｃ………………接続手段 Ｄ1 ，Ｄ2 ……外径5: Battery assembly 6: Battery 7: First battery module 8: Second battery module 19: Busbar 24: Connection ring (end on negative electrode side) 30 Insulation ring (end on positive electrode side) 42 End plate 43 ... First holding hole 44. 2 Holding hole 45 ……………… Busbar plate 46 ……………… Positive side connecting part 47 ……………… Negative side connecting part 48,49 …… Working holes 52,53 …… Screw holes 54,55 …… Bolt insertion hole 56 ………… Bolt A ……………… Direction B ……………… Virtual plane C ………… Connection means D 1 , D 2 …… Outer diameter
Claims (4)
を有する複数の棒状バッテリモジュール（７，８）を，
それらの軸線が１つの方向（Ａ）と平行し，且つその方
向（Ａ）と交差する仮想平面（Ｂ）にて各軸中心が縦方
向および横方向に並ぶように配列してなるバッテリ集合
体（５）における，相隣る一方の前記バッテリモジュー
ル（７）の正極（１８）と他方の前記バッテリモジュー
ル（８）の負極（１７）との接続構造であって，相隣る
一方の前記バッテリモジュール（７）の正極側端部（３
０）の外径（Ｄ1 ）が，他方の前記バッテリモジュール
の負極側端部（２４）の外径（Ｄ2 ）と異なっており，
前記正極側端部（３０）を嵌合させる複数の第１保持孔
（４３）および前記負極側端部（２４）を嵌合させる複
数の第２保持孔（４４）を持つエンドプレート（４２）
と，そのエンドプレート（４２）と対向する側の面に，
前記正極（１８）と接触する正極側接続部（４６）およ
び前記負極（１７）と接触する負極側接続部（４７）を
持つ複数のバスバー（１９）ならびに前記正極側接続部
（４６）および前記負極側接続部（４７）にそれぞれ臨
む複数の作業孔（４８，４９）を有するバスバープレー
ト（４５）と，複数の前記作業孔（４８，４９）を通じ
て前記正極（１８）および正極側接続部（４６）間なら
びに前記負極（１７）および負極側接続部（４７）間を
それぞれ接続する複数の接続手段（Ｃ）とを備えている
ことを特徴とする，バッテリ集合体における正極と負極
との接続構造。1. A plurality of batteries (6) connected in series
A plurality of rod-shaped battery modules (7, 8) having
A battery assembly in which the axes are parallel to one direction (A), and the centers of the axes are aligned in the vertical and horizontal directions on a virtual plane (B) intersecting the direction (A). (5) The connection structure of the positive electrode (18) of the adjacent battery module (7) and the negative electrode (17) of the other battery module (8) in (5), wherein the adjacent one battery Positive end (3) of module (7)
0) has an outer diameter (D 1 ) different from the outer diameter (D 2 ) of the negative electrode side end portion (24) of the other battery module,
An end plate (42) having a plurality of first holding holes (43) for fitting the positive electrode side end (30) and a plurality of second holding holes (44) for fitting the negative electrode side end (24).
On the surface facing the end plate (42),
A plurality of bus bars (19) having a positive electrode side connecting part (46) contacting the positive electrode (18) and a negative electrode side connecting part (47) contacting the negative electrode (17), the positive electrode side connecting part (46) and the A bus bar plate (45) having a plurality of working holes (48, 49) respectively facing the negative electrode side connecting part (47), and the positive electrode (18) and the positive electrode side connecting part (through a plurality of the working holes (48, 49). 46) and a plurality of connecting means (C) for connecting the negative electrode (17) and the negative electrode side connecting portion (47), respectively, the connection between the positive electrode and the negative electrode in the battery assembly. Construction.
側接続部（４６）は前記正極（１８）に対し，また前記
負極側接続部（４７）は前記負極（１７）に対してそれ
ぞれ進退可能である，請求項１記載のバッテリ集合体に
おける正極と負極との接続構造。2. The positive electrode side connecting portion (46) of the plurality of bus bars (19) advances and retreats with respect to the positive electrode (18), and the negative electrode side connecting portion (47) advances with respect to the negative electrode (17). The structure for connecting the positive electrode and the negative electrode in the battery assembly according to claim 1, which is possible.
ルト（５６）と，各正極側接続部（４６）および各負極
側接続部（４７）に形成されて前記ボルト（５６）を通
す複数の挿通孔（５４，５５）と，各正極（１８）およ
び各負極（１７）に形成されて前記ボルト（５６）をね
じ込まれる複数のねじ孔（５２，５３）とよりなる，請
求項１または２記載のバッテリ集合体における正極と負
極との接続構造。3. The connecting means (C) is formed on a plurality of insulating bolts (56) and each positive electrode side connecting portion (46) and each negative electrode side connecting portion (47) to connect the bolts (56). A plurality of insertion holes (54, 55) for passing through, and a plurality of screw holes (52, 53) formed in each positive electrode (18) and each negative electrode (17) into which the bolt (56) is screwed. The connection structure of the positive electrode and the negative electrode in the battery assembly according to 1 or 2.
およびアルミニウム合金から選択される一種よりなる，
請求項１，２または３記載のバッテリ集合体における正
極と負極との接続構造。4. The bus bar (19) is made of one selected from steel, copper, copper alloys and aluminum alloys.
A structure for connecting a positive electrode and a negative electrode in the battery assembly according to claim 1, 2, or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002277251A JP4154198B2 (en) | 2001-10-05 | 2002-09-24 | Connection structure of positive electrode and negative electrode in battery assembly |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001310574 | 2001-10-05 | ||
| JP2001-310574 | 2001-10-05 | ||
| JP2002277251A JP4154198B2 (en) | 2001-10-05 | 2002-09-24 | Connection structure of positive electrode and negative electrode in battery assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003178744A true JP2003178744A (en) | 2003-06-27 |
| JP4154198B2 JP4154198B2 (en) | 2008-09-24 |
Family
ID=26623795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002277251A Expired - Fee Related JP4154198B2 (en) | 2001-10-05 | 2002-09-24 | Connection structure of positive electrode and negative electrode in battery assembly |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4154198B2 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100776891B1 (en) | 2005-01-18 | 2007-11-19 | 닛산 지도우샤 가부시키가이샤 | A battery assembly and a protective cover |
| JP2008071638A (en) * | 2006-09-14 | 2008-03-27 | Nissan Motor Co Ltd | Battery pack, and manufacturing method of battery pack |
| JP2008166009A (en) * | 2006-12-27 | 2008-07-17 | Nissan Motor Co Ltd | Battery pack |
| JP2008287988A (en) * | 2007-05-16 | 2008-11-27 | Sony Corp | Battery pack |
| JP2010015906A (en) * | 2008-07-04 | 2010-01-21 | Honda Motor Co Ltd | Battery pack device |
| KR101026925B1 (en) | 2004-11-18 | 2011-04-04 | 산요덴키가부시키가이샤 | Power supply |
| US9484756B2 (en) | 2011-08-24 | 2016-11-01 | Getac Technology Corporation | Battery having multi-orientation conductions, battery holder having multi-orientation conductions, and battery assembling method |
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| JP2019145491A (en) * | 2017-12-14 | 2019-08-29 | コミッサリア ア レネルジー アトミーク エ オ ゼネルジ ザルタナテイヴ | Mechanical interface between two metal ion electrochemical accumulator battery aligned along longitudinal axis thereof, electric insulation part, and module of related accumulator battery |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101026925B1 (en) | 2004-11-18 | 2011-04-04 | 산요덴키가부시키가이샤 | Power supply |
| KR100776891B1 (en) | 2005-01-18 | 2007-11-19 | 닛산 지도우샤 가부시키가이샤 | A battery assembly and a protective cover |
| JP2008071638A (en) * | 2006-09-14 | 2008-03-27 | Nissan Motor Co Ltd | Battery pack, and manufacturing method of battery pack |
| JP2008166009A (en) * | 2006-12-27 | 2008-07-17 | Nissan Motor Co Ltd | Battery pack |
| JP2008287988A (en) * | 2007-05-16 | 2008-11-27 | Sony Corp | Battery pack |
| JP2010015906A (en) * | 2008-07-04 | 2010-01-21 | Honda Motor Co Ltd | Battery pack device |
| US9484756B2 (en) | 2011-08-24 | 2016-11-01 | Getac Technology Corporation | Battery having multi-orientation conductions, battery holder having multi-orientation conductions, and battery assembling method |
| EP2562846B1 (en) * | 2011-08-24 | 2018-03-14 | Getac Technology Corp. | Battery, battery holder and battery assembling method |
| CN107658416A (en) * | 2017-09-30 | 2018-02-02 | 东莞市德尔能新能源股份有限公司 | Lithium ion battery exempts from spot welding connector, exempts from spot welding attachment structure and battery modules |
| JP2019145491A (en) * | 2017-12-14 | 2019-08-29 | コミッサリア ア レネルジー アトミーク エ オ ゼネルジ ザルタナテイヴ | Mechanical interface between two metal ion electrochemical accumulator battery aligned along longitudinal axis thereof, electric insulation part, and module of related accumulator battery |
| CN108832069A (en) * | 2018-08-27 | 2018-11-16 | 苏州安靠电源有限公司 | Battery modules |
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